<template>
  <view class="cart-container" v-if="cart.length !== 0">
    <my-address></my-address>
    <!-- 购物车商品列表的标题区域 -->
    <view class="cart-title">
      <!-- 左侧的图标 -->
      <uni-icons type="shop" size="18"></uni-icons>
      <!-- 描述文本 -->
      <text class="cart-title-text">购物车</text>
    </view>
    <uni-swipe-action>
      <block v-for="(goods, i) in cart" :key="i">
        <!-- uni-swipe-action-item 可以为其子节点提供滑动操作的效果。需要通过 options 属性来指定操作按钮的配置信息 -->
        <uni-swipe-action-item :right-options="options" @click="swipeActionClickHandler(goods)" >
          <my-goods :goods="goods" :show-radio="true" :show-num="true" @radio-change="radioChangeHandler" @num-change="numberChangeHandler"></my-goods>
        </uni-swipe-action-item>
      </block>
    </uni-swipe-action>
    <my-settle></my-settle>
  </view>
  <view class="empty-cart" v-else>
    <image src="../../static/cart_empty@2x.png" class="empty-img"></image>
    <text class="empty-text">空空如也~</text>
  </view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  import {mapState, mapMutations,mapGetters} from 'vuex'
  export default {
    mixins:[badgeMix],
    data() {
      return {
        options: [{
              text: '删除', // 显示的文本内容
              style: {
                backgroundColor: '#C00000' // 按钮的背景颜色
              }
            }]
      }
    },
    computed:{
      ...mapState('m_cart',['cart']),
      
    },
    
    methods: {
      ...mapMutations('m_cart', ['updateGoodsState','updateGoodsNumber', 'removeGoodsById']),
      radioChangeHandler(e) {
            this.updateGoodsState(e)
          },
      numberChangeHandler(e) {
        this.updateGoodsNumber(e)
      },
      
      swipeActionClickHandler(goods) {
          this.removeGoodsById(goods.goods_id)
        }
    },
  }
</script>

<style lang="scss">
  .cart-container{
    padding-bottom:50px;
  }
  .cart-title {
    height: 40px;
    display: flex;
    align-items: center;
    font-size: 14px;
    padding-left: 5px;
    border-bottom: 1px solid #efefef;
    .cart-title-text {
      margin-left: 10px;
    }
  }
  .empty-cart{
    display: flex;
    flex-direction: column;
    
    align-items: center;
    margin-top:150px;
    .empty-img{
      width: 90px;
      height: 90px;
      
      
    }
    .empty-text{
      margin-top:15px;
      font-size: 12px;
          color: gray;
    }
  }
</style>
